388223497 has 8 divisors (see below), whose sum is σ = 392904000. Its totient is φ = 383559600.

The previous prime is 388223491. The next prime is 388223503. The reversal of 388223497 is 794322883.

It is an interprime number because it is at equal distance from previous prime (388223491) and next prime (388223503).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-388223497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (388223491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46548 + ... + 54250.

It is an arithmetic number, because the mean of its divisors is an integer number (49113000).

Almost surely, 2^388223497 is an apocalyptic number.

It is an amenable number.

388223497 is a deficient number, since it is larger than the sum of its proper divisors (4680503).

388223497 is a wasteful number, since it uses less digits than its factorization.

388223497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8303.

The product of its digits is 580608, while the sum is 46.

The square root of 388223497 is about 19703.3879574047. The cubic root of 388223497 is about 729.5033194896.

The spelling of 388223497 in words is "three hundred eighty-eight million, two hundred twenty-three thousand, four hundred ninety-seven".